Anechoic room

Tour 3D

The room is situated in a constructionally separated laboratory complex of LG3A building (vibration-cushioned fundament, HF cage, air-conditioned). The lab complies with DIN EN ISO 3747 standard requirements and is certified up to 10 kHz. Maximal noise reduction is 99 percent.

Application spectrum:

  • multichannel sound analysis
  • examination of acoustic transducers, also polar diagrams
  • quality analysis of speech transmission
  • ambient noise measurement and sound emmission
  • calibration of acoustic devices

Technical equippment:

  • Bruel & Kjaer sound level measurement
  • HEAD acoustics acoustics head-related recording and playback technology
  • EASERA Electronic and Acoustic System Evaluation and Response Analysis

The lab can be hired for BTU research projects or for commercial purposes.

This website uses cookies. There are two types of cookies: The first type supports the basic functionality of our website. The second allows us to improve our content for you by saving and analyzing pseudonymised user data. Since this second type is technically not required to run the website, you can withdraw your consent to those cookies at any time. For more information please visit our pages on data protection.


These cookies are needed for a smooth operation of our website.


For statistical reasons, we use the platform Matomo to analyse the user flow with the help of website users‘ pseudonymised data. This allows us to optimize website content.

Name Purpose Lifetime Type Provider
_pk_id Used to store a few details about the user such as the unique visitor ID. 13 months HTML Matomo
_pk_ref Used to store the attribution information, the referrer initially used to visit the website. 6 months HTML Matomo
_pk_ses Short lived cookie used to temporarily store data for the visit. 30 minutes HTML Matomo